查询词典 mathematic

By virtue of the instantaneous velocity of vehicles and precise time information supplied by GPS, a mathematic model can be established.

在利用GPS对车辆的定位与导航的基础上，进一步利用GPS提供的即时速度和准确的时间信息，通过数学建模，得到交通流量，平均车速，行程时间，车道占有率等一系列重要交通状况信息，以实现交通状况的实时检测，为城市交通管理系统智能化的实现提供必要保证。

To control the output waveform, the mathematic model of three-level inverter is set up. The output voltage instantaneous value control system is employed to obtain high quality output waveform.

为了对输出电压的波形进行控制，该文建立了三电平逆变器的数学模型，使用输出电压瞬时值控制系统来获得高质量的输出电压波形。

Based on those experiments, a mathematic model of process of intumescence was established with the neglect of the transfer motion of the bubble.

在实验基础上，忽略气泡的迁移，建立了膨胀过程的数学模型。

The mathematic process of deriving phase congruence invariant is discussed from theory, the formula of PC invariant is presented.

给出了相位叠加不变量pc的定义。

Three common mathematic models are always employed to predict the growth of regional or urban population,including exponential function,inverse hyperbolic function,and logistic function.

预测人口增长的数学模型通常采用3种函数，即指数函数、Logistic函数和双曲函数。3种模型的数学根源都在于二阶Bernoulli式微分方程，它们是不同的生长条件下的Logistic方程的特解。

The method of FSSP is used to classify corrosion, a feature is extracted for the detection of corrosion, and an inversion mathematic formula to inversely evaluate the depth and volume is derived.

采用"频谱分离点"的方法对腐蚀缺陷进行了分类识别，提取了对腐蚀缺陷进行检测的特征量，得到了对腐蚀缺陷深度和体积进行反演计算的数学公式。

First of all, this thesis analyses the structure and mathematic model of Inverted pendulum system.

本文首先对倒立摆系统的结构和数学模型进行了分析、建模。

According to invalidate transform between non-linear constraining function and linear constraining function, and the disable partial differential coefficient of first order for objective function, GA has been chosen for the built mathematic mode, also, the conception of GA, its computing process, features, and operating parameters are introduced irrespectively in this article, meantime, a managerial software for oil pipeline's optimization is programmed.

根据优化模型中的非线性约束函数无法化为线性约束函数，目标函数无法求一阶偏导数的特点，本文从众多优化方法中选择遗传算法对所建立的数学模型进行求解，并对遗传算法的概念、计算步骤、特点、运行参数等逐一进行介绍，并编写了输油管道优化运行管理的软件。

Presented a mathematic model for the algorithm and proved its convergence characteristic, this image reconstruction algorithm made the iteration step was optimal on the premise of convergence.

给出了算法的数学模型，完成了算法的收敛性分析和证明，算法在图像重建中使迭代步长在保证收敛的情况下达到最优。

In chapter 3, the control object of this subject, which is a three-link gymnastic robot on horizontal bar with limited joint torque and joint angle is brought forward and its mathematic model is developed. After simulating of the movement of the gymnasts, the control task of this subject is designed as a series swing-up and balance movement, the key point of control is analyzed.

第三章，提出本课题研究的对象：关节力矩和旋转角度受限的三连杆单杠体操机器人，推导了它的数学模型；提出要完成的控制任务：模仿体操运动员上杠动作而设计的摆起倒立动作，分析了这套动作的控制关键。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。